You can place your SNES ROMs inside any folder. 3DSX - Copy Snes9x_3ds.3dsx, Snes9x_3ds.smdh, snes9x_3ds_top.png into /3ds/snes9x_3ds/ on your SD card.

Install snes9x_3ds.cia with your favourite CIA installer. CIA - Copy snes9x_3ds_top.png to the root of your SD card.Automatic saving and reloading of savestates.Sound emulation (at 32KHz, with echo and gaussian interpolation).Use of full clock speed in the New 3DS.SA-1 chip (Super Mario RPG, Kirby Superstar).DSP chips (Super Mario Kart, Ace o Nerae).SFX1/2 chip (Yoshi's Island, but slow on old 3DS).SDD1 chip (Street Fighter 2 Alpha, Star Ocean).Navigation of ROMs in different folders.If you can play BlargSNES with sound, you should be able to play Snes9X_3DS with sound. So your entry point to homebrew must be able to use CSND. CHT/.CHX (text format) with the same filename in the same folder as your ROM. Games that slow on the Old 3DS will benefit from the higher clock speed that the New 3DS offers (In some New 3DS set ups you may have to manually force the clock speed up to enjoy the performance boost). It has a much high compatibility than existing SNES emulators on the 3DS because it uses Snes9x 1.43 as a base, and is a good alternative if your existing emulators cannot play all the games. It also runs games that use the SA-1 chip (Super Mario RPG, Kirby's Dreamland), SuperFX chip (Yoshi's Island, Star Fox etc) but these games run with plenty of frame drops. It supports games that use CX4 chip (Megaman X2/X3), the SDD-1 chip (Star Ocean, Super Street Fighter 2 Alpha), DSP chip (Super Mario Kart). It runs many games at full speed (60 fps). Snes9x for 3DS is a high-compatibility SNES emulator for your Old 3DS/2DS.

Cht file snes9x